public static async Task MetadataApi_GetDownloadUriAsync_Returns_File_Download_Uri_Which_Downloads_Correct_File()
{
// Arrange
MetadataApi target = CreateAuthorizedService();
AvailablePackagesReply packages = await target.GetAvailablePackagesAsync();
DataFile dataFile = packages.PackageGroups
.SelectMany((p) => p.Packages)
.First()
.Files
.First();
// Act
Uri result = await target.GetDownloadUriAsync(dataFile.FileName, dataFile.MD5Hash);
// Assert
Assert.NotNull(result);
Assert.True(result.IsAbsoluteUri);
string tempPath = Path.Combine(Path.GetTempPath(), dataFile.FileName);
try
{
using (WebClient client = new WebClient())
{
await client.DownloadFileTaskAsync(result, tempPath);
}
Assert.True(File.Exists(tempPath));
byte[] hash;
using (Stream stream = File.OpenRead(tempPath))
{
Assert.Equal(dataFile.Size, stream.Length);
using (HashAlgorithm algorithm = HashAlgorithm.Create("MD5"))
{
hash = algorithm.ComputeHash(stream);
}
}
string hashString = string.Concat(hash.Select((p) => p.ToString("x2", CultureInfo.InvariantCulture)));
Assert.Equal(dataFile.MD5Hash, hashString);
}
finally
{
if (File.Exists(tempPath))
{
File.Delete(tempPath);
}
}
}
public static async Task MetadataApi_GetDownloadUriAsync_Throws_MetadataApiException_If_Error_Occurs()
{
// Arrange
Uri serviceUri = new Uri("https://ws.updates.qas.com/metadata/V1/");
MetadataApi target = new MetadataApi(serviceUri);
string fileName = "MyFile.txt";
string fileHash = "7039d49e15fd4e164e2c07fe76fd61a2";
long? startAtByte = null;
long? endAtByte = null;
// Act and Assert - Should throw as no credentials configured
await Assert.ThrowsAsync <MetadataApiException>(() => target.GetDownloadUriAsync(fileName, fileHash, startAtByte, endAtByte));
}
